202122074 has 32 divisors (see below), whose sum is σ = 379036800. Its totient is φ = 78531840.

The previous prime is 202122073. The next prime is 202122113. The reversal of 202122074 is 470221202.

It is a happy number.

It is a super-2 number, since 2×202122074² = 81706665596122952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202122073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61382 + ... + 64590.

It is an arithmetic number, because the mean of its divisors is an integer number (11844900).

Almost surely, 2^202122074 is an apocalyptic number.

202122074 is a deficient number, since it is larger than the sum of its proper divisors (176914726).

202122074 is a wasteful number, since it uses less digits than its factorization.

202122074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 202122074 is about 14216.9643032541. The cubic root of 202122074 is about 586.8646025605.

Adding to 202122074 its reverse (470221202), we get a palindrome (672343276).

The spelling of 202122074 in words is "two hundred two million, one hundred twenty-two thousand, seventy-four".